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AFGHANISTAN Weekly Climate Forecast #11, March 25 - 31, 2009
During the past two weeks, above normal temperatures and occasional rain has raised flooding concerns. Since mid- March, a rapid snow melt has been evident in a snow water volume chart in northwest Afghanistan (Figure 2). A strong low pressure system progressed into Afghanistan on March 22.
Precipitation amounts ranged from 5 to 30 mm, liquid equivalent, in most locations (Figure 3).
As the strong storm that resulted in widespread precipitation during the past week progresses east, drier weather can be expected early in the period. However, another storm will likely bring additional precipitation to Afghanistan by March 27.
Temperatures will remain above normal with maximum temperatures reaching the lower 30s (°C) in southwest Afghanistan. During the next week, light to moderate rainfall combined with snowmelt associated with above normal temperatures may trigger flooding in the central highlands or adjacent areas. At this time, no widespread flooding has been reported but flooding concerns will continue during the spring.
Figure 1. Weather hazards in Afghanistan
Figure 2. Snow Water Volume Chart.
Source: FEWS-NET/USGS
Figure 3. Precipitation (mm): March 22, 2009
Source: FEWS -NET/NOAA